Can you solve this puzzle?

Update - the position is not open anymore.
you can still answer the puzzle though…

Outbrain is looking for experienced, talented, enthusiastic web developers.
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Solve this quick puzzle and contact me: roy@royts.com

// We need to create a chat client. // The messages pulling policy to should be:// 1. Get the latest messages from the server// 2. Wait 2 sec.// 3. Back to no. 1 again// Q: what is wrong with the following solution? // What would be the right way to do that?setInterval(function(){$.getJSON("http://chat-server.com/10/message",function(data){updateChatWindow(data.messages);});},2000);